lkml.org 
[lkml]   [2022]   [Sep]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[ammarfaizi2-block:paulmck/linux-rcu/dev.2022.09.03a 36/36] kernel/rcu/srcutree.c:647:1: error: use of undeclared identifier 'u'
tree:   https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev.2022.09.03a
head: 607762184099b5d0b6765f69673fafa1d7eb4d30
commit: 607762184099b5d0b6765f69673fafa1d7eb4d30 [36/36] srcu: Check for consistent per-CPU per-srcu_struct NMI safety
config: arm-randconfig-r013-20220921 (https://download.01.org/0day-ci/archive/20220921/202209210942.YUFSaizJ-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/ammarfaizi2/linux-block/commit/607762184099b5d0b6765f69673fafa1d7eb4d30
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev.2022.09.03a
git checkout 607762184099b5d0b6765f69673fafa1d7eb4d30
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash kernel/rcu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/rcu/srcutree.c:647:1: error: use of undeclared identifier 'u'
u);
^
1 error generated.


vim +/u +647 kernel/rcu/srcutree.c

628
629 /*
630 * Check for consistent NMI safety.
631 */
632 static void srcu_check_nmi_safety(struct srcu_struct *ssp, bool nmi_safe)
633 {
634 int nmi_safe_mask = 1 << nmi_safe;
635 int old_nmi_safe_mask;
636 struct srcu_data *sdp;
637
638 if (!IS_ENABLED(CONFIG_PROVE_RCU))
639 return;
640 sdp = raw_cpu_ptr(ssp->sda);
641 old_nmi_safe_mask = READ_ONCE(sdp->srcu_nmi_safety);
642 if (!old_nmi_safe_mask) {
643 WRITE_ONCE(sdp->srcu_nmi_safety, nmi_safe_mask);
644 return;
645 }
646 WARN_ONCE(old_nmi_safe_mask != nmi_safe_mask, "CPU %d old state %d new state %d\n", sdp->cpu, old_nmi_safe_mask, nmi_safe_mask);
> 647 u);
648 }
649

--
0-DAY CI Kernel Test Service
https://01.org/lkp

\
 
 \ /
  Last update: 2022-09-21 03:16    [W:0.037 / U:2.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site